CN207067761U - A kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things - Google Patents
A kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things Download PDFInfo
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- CN207067761U CN207067761U CN201720888537.5U CN201720888537U CN207067761U CN 207067761 U CN207067761 U CN 207067761U CN 201720888537 U CN201720888537 U CN 201720888537U CN 207067761 U CN207067761 U CN 207067761U
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Abstract
A kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things is the utility model is related to, its technical characterstic is：Including power module, multiple RFID radio frequency identification modules, multiple locking link module, serial communication control module, GPRS communication modules, monitoring backstage and data processing centres；The input of the RFID radio frequency identification modules is connected with corresponding ground wire, for gathering the label information of corresponding ground wire；The output end of the RFID radio frequency identification modules is connected with corresponding locking link module, and the locking link module includes locking controller and information receiving terminal, and the locking controller is arranged in distribution station equipment switch operation mechanism.The utility model can be realized accurately to be detected in real time to the position of live temporarily line and mounting status information, and status information is sent into dispatching control center in time, avoids the generation of misoperation faults such as " ground wire are torn in leakage open ".
Description
Technical field
The utility model belongs to wireless communication technology field, is related to remote monitoring, wireless sensing and automated control technology,
Especially a kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things.
Background technology
The temporarily line for protecting operating personnel's personal safety is a kind of important safety instrument in Phase of Electric Power Projects operation.
《State Grid Corporation of China's electric power safety working regulation》One of middle technical measures for ensureing safety are exactly strict by regulation installing ground connection
Line.It is mainly at present work on the spot director and workmen in distribution operation field according to distribution method of operation figure and papery
Operation order carries out grid switching operation, only relies on manual type verification temporarily line installation and removes state, method is relatively backward, simultaneously
Also reduce the efficiency and security of work on the spot.Especially when distribution upkeep operation task is more, it is more easy to generation leakage and does, does
The problem of wrong operation item, so as to trigger the pernicious misoperation fault of " ground wire is torn in leakage open, ground wire, switching on earth wire are received in leakage ".
Through retrieval, do not find and the same or analogous prior art of the utility model.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of distribution operation based on Internet of Things shows
Place line anti-misoperation system, misoperation faults such as " ground wire are torn in leakage open, ground wire, switching on earth wire are received in leakage " can be effectively avoided to bring
Potential safety hazard.
The utility model solves its technical problem and takes following technical scheme to realize：
A kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things, including power module, multiple RFID are penetrated
Frequency identification module, multiple locking link module, serial communication control module, GPRS communication modules, monitoring backstage and data processings
Center；The input of the RFID radio frequency identification modules is connected with corresponding ground wire, for gathering the mark of corresponding ground wire
Sign information；The output end of the RFID radio frequency identification modules is connected with corresponding locking link module, the locking link module
Including locking controller and information receiving terminal, the locking controller is arranged in distribution station equipment switch operation mechanism；Institute
The label information that information receiving terminal is used to be grounded is stated, its output end is connected with locking controller, for locking
Controller sends block signal；The information receiving terminal is also connected by serial communication control module with GPRS communication modules,
After the label information received is converted into the information that GPRS communication modules can identify by serial communication control module
Export to GPRS communication modules；The GPRS communication modules are connected with monitoring backstage, and the monitoring backstage is used for the mark to reception
Label information is handled and exports unlocking order to locking controller；The monitoring backstage is also connected with data processing centre,
The data processing centre is used to the data message of port mapping being acted upon；The output end of the power module respectively with
RFID radio frequency identification modules, locking link module, serial communication control module are connected with GPRS communication modules and are its power supply.
Moreover, the RFID radio frequency identification modules are RFID read-write equipment, for gathering the label information of corresponding ground wire.
Moreover, the GPRS communication modules are connected using wireless mode with monitoring backstage, for the label of reception to be believed
Breath output to monitoring backstage is handled.
The advantages of the utility model and good effect are：
1st, the utility model application technology of Internet of things, the position to live temporarily line and mounting status information can be realized
Accurate detection in real time, and status information is sent to dispatching control center in time, realize that the use to temporarily line operates full mistake
Cheng Jinhang is effectively monitored, and so as to the management of further specification ground wire, is avoided " ground wire is torn in leakage open, ground wire, switching on earth wire are received in leakage "
The potential safety hazard brought Deng misoperation fault.
2nd, radio frequency discrimination RFID (radio frequency identification, the Radio Frequency of the utility model integrated application technology of Internet of things
Identification) and GPRS (general packet radio service, General Packet Radio Service) communication technology,
The mounting status information of detection distribution operation field temporarily line in real time, and by the data remote transmission got to regulation and control center
From the background, enable regulation and administration the personnel promptly and accurately position of monitoring field ground wire and status information, make the management of ground wire more
Standardization, the potential safety hazard for avoiding misoperation faults such as " ground wire are torn in leakage open, ground wire, ground wire positional fault are received in leakage " from bringing.
3rd, the utility model is transformed switch operation mechanism in original ground wire and controller switching equipment, is not influenceing disconnecting link
Increase locking link module on the premise of operating mechanism, while RFID read-write equipment, docking are equipped with to the grounding wire device at scene
The label information of ground wire is acquired and monitoring host computer or the scene inspection of control centre is sent to by GPRS cordless communication networks
Repair on the mobile terminal of personnel, the ground wire that achieves a butt joint mounts the real-time monitoring of state, pre- fool proof generation.
4th, the utility model locking link is mainly made up of locking controller and information receiving terminal；By being set to power distribution station
Standby disconnecting link is simply transformed, and in the case where not influenceing switch operation mechanism, increases a locking controller, locking controller
On actuating relay be connected to the block signal sent from information receiving terminal, locking controller just locks disconnecting link, until
Whole ground wire maintenance finishes, and locking controller could be opened；Information receiving terminal be by the information of all RFID read-write equipments all
Receive, then by the information transmission received to monitoring backstage, the information of reception is handled by monitoring backstage, works as judgement
After all ground wires are all extractd, unlocking order is sent to locking controller, is unlocked.
Brief description of the drawings
Fig. 1 is system connection figure of the present utility model；
Fig. 2 is the read-write chip U2270B chip pin figures of RFID radio frequency identification modules of the present utility model；
Fig. 3 is radio frequency identification module circuit diagram of the present utility model；
Fig. 4 is RS485R chip pins figure of the present utility model；
Fig. 5 is the circuit design drawing of serial communication control module of the present utility model.
Embodiment
The utility model embodiment is described in further detail below in conjunction with accompanying drawing：
A kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things, as shown in figure 1, including power module,
Multiple RFID radio frequency identification modules, multiple locking link modules, serial communication control module, GPRS communication modules, monitoring backstage
And data processing centre；The input of the RFID radio frequency identification modules is connected with corresponding ground wire, for gathering correspondingly
The label information of ground wire；The output end of the RFID radio frequency identification modules is connected with corresponding locking link module, and this is closed
Lock ring section module includes locking controller and information receiving terminal, and the locking controller is arranged on distribution station equipment switch operation
In mechanism；Described information receiving terminal is used for the label information for receiving ground wire, and its output end is connected with locking controller, used
In sending block signal to locking controller；The information receiving terminal also passes through serial communication control module and GPRS communication modules
It is connected, for the label information received to be converted into what GPRS communication modules can identify by serial communication control module
Exported after information to GPRS communication modules；The GPRS communication modules are connected with monitoring backstage, and the monitoring backstage is used to dock
The label information of receipts is handled and exports unlocking order to locking controller；The monitoring backstage also with data processing centre's phase
Connection, the data processing centre are used to the data message of port mapping being acted upon；The output end of the power module point
It is not connected with RFID radio frequency identification modules, locking link module, serial communication control module and GPRS communication modules and is it
Power supply.
In the present embodiment, the RFID radio frequency identification modules are RFID read-write equipment, for gathering corresponding ground wire
Label information.
In the present embodiment, the GPRS communication modules are connected using wireless mode with monitoring backstage, for that will receive
Label information export to monitoring backstage and handled.
The function of each module in system is described in detail separately below：
1) locking link module.At work, the system is adopted to former ground wire with the label information with earth wire
Collection, and switch operation mechanism in electric equipment is transformed, increase block ring on the premise of switch operation mechanism is not influenceed
Module is saved, locking link module is mainly made up of locking controller and information receiving terminal.By entering to distribution station equipment disconnecting link
The simple transformation of row, in the case where not influenceing switch operation mechanism, increase a locking controller, the action on locking controller
Relay is connected to the block signal sent from information receiving terminal, and locking controller just locks disconnecting link, until whole ground wire
Maintenance finishes, and locking controller could be opened.Information receiving terminal is all to receive the information of all RFID read-write equipments, so
Afterwards by the information transmission received to monitoring backstage, the information of reception is handled by monitoring backstage, when judging all ground
After line is all extractd, unlocking order is sent to locking controller, is unlocked.
2) RFID radio frequency identification modules.The grounding wire device at scene is equipped with RFID read-write equipment, the label letter of earth wire
Breath is acquired and the monitoring host computer of control centre is sent to by GPRS cordless communication networks or the movement of field service personnel
In terminal, the ground wire that achieves a butt joint mounts the real-time monitoring of state, pre- fool proof generation.When the ground wire with RF tag
When being articulated on repair apparatus, RF tag is that label is activated therewith, label into the range of the read-write of RFID read-write equipment
The data message of carrying is uploaded to information receiving terminal.
3) serial communication control module.Information receiving terminal turns information label information by serial communication control module
The information of reception can be identified by being changed to GPRS module, be then sent to GPRS module, so as to realize the transmission of data.
4) GPRS communication modules.After GPRS communication modules receive the label information of serial communication control module transmission, stand
Data transmission terminal i.e. inside starting module, terminal can actively visit according to its internal IP address or domain name is set in advance in
The webserver is asked, the ground wire information collected is sent to by monitoring backstage by special wireless network, monitoring backstage is led to again
Corresponding function port is crossed by information MAP to data processing centre, this completes system a communication process.
5) power module.Predominantly RFID radio frequency identification modules, locking link module, serial communication control module and GPRS
Communication module provides electric energy.
6) monitoring backstage and data processing centre.GPRS communication modules are by wireless network after data transfer to monitoring
Platform, and by port mapping to data processing centre, complete a communication process of system.Data processing centre is mainly by end
The data message of mouth mapping is acted upon, then feeds back to monitoring backstage, and regulation and control personnel's can is achieved a butt joint by monitoring backstage
The positioning of the Centralized Monitoring, movement of tool process of ground wire, and the identification of the mounting state to ground wire is realized, it is in time maintainer
The warning information that ground wire is not removed is provided.
The RFID radio frequency identification modules to the system and the circuit of serial communication control module composition are carried out detailed separately below
Describe in detail bright：
(1) RFID radio frequency identification modules
The system uses read-write chip of the U2270B chips as RFID radio frequency identification modules, reference carrier frequency 100
~150kHz, when carrier frequency is 125kHz, its rate of data signalling is 5kb/s, the non-contact read-write chip being a highly integrated.
Low power dissipation design, there are two kinds of debud modes of Manchester code and bi-phase code, can be powered by battery or 5V voltage-stabilized power supply.
The read-write chip pinouts of the RFID radio frequency identification modules is as shown in Fig. 2 its pin function is described as follows shown in table：
| Pin | Symbol | Function | Pin | Symbol | Function |
| 1 | GND | Ground | 9 | COIL1 | Coil drive end 1 |
| 2 | Output | Data output | 10 | Vext | External power supply |
| 3 | /OE | Data output enables | 11 | DVs | Drive electric source voltage |
| 4 | Input | Data input | 12 | Vbatt | Cell voltage |
| 5 | MS | Common mode/difference modes selection | 13 | Standby | Standby input |
| 6 | CFE | Radio-frequency carrier enables | 14 | Vs | Internal electric source (5V) |
| 7 | DGND | Driver ground | 15 | RF | Frequency adjusts |
| 8 | COIL2 | Coil drive end 2 | 16 | HIPASS | Direct current decouples |
The circuit design of the RFID radio frequency identification modules is as shown in figure 3, COIL1 and COIL2 is two antennal interfaces, by two
Resistance similar in group diode (IN4148) and resistance, collectively constitutes common port, if the direction of diode is wrong, antenna is just not
Radiofrequency signal can be normally sent, so must ensure that the direction connection of each diode is correct.OUTPUT mouths and CFE mouths come out
Need to connect pull-up resistor, be then connected with control module, the purpose so connected is in order that communication level meets control module
Interface requirement, HIPASS mouths are connected to the ground by electric capacity.
The design of antenna parameter can be calculated using formula below：
N≈(L/R*π*U0)1/2 f0=1/ [2 π (L/C)1/2]
Wherein：N is the number of turn of aerial coil；L is the inductance value of antenna loop；R is antenna radius；U0For magnetic field constant,
Its value is 1.257*10-6Vs/Am；C is antenna capacitance.Work as L=1.35mH, R=5cm, f0=125kHz, then antenna number of turn N etc.
In 116 circles, electric capacity C is equal to 1.2nF.
(2) serial communication control module
The system produces high-performance RS-485 receivers --- the RS485R chips of design using Sipex companies, it
General RS-485 transceivers can be substituted, and have been strengthened in many aspects.RS485R and existing RS485 pins of products pair
Should be identical, and comprising more ESD protections and high receiver input impedance etc., its pinouts is as shown in figure 4, its pin function
It is described as follows shown in table：
| Pin | Symbol | Function |
| 1 | RO | Receiver exports |
| 2 | /RE | Receiver output is enabled |
| 3 | DE | Transmitter output is enabled |
| 4 | DI | Transmitter exports |
| 5 | GND | Ground |
| 6 | A | With phase transmitter output/receiver input |
| 7 | B | Anti-phase transmitter output/receiver input |
| 8 | Vcc | Supply voltage |
The circuit design of the serial communication control module is as shown in figure 5, the serial ports RXD and TXD of control module pass through photoelectricity
Isolation circuit is connected with RO and DI pins respectively, and control signal R/D is connected also by photoelectric coupling circuit with DE and/RE, to select
Select the receiver and transmitter of RS485R chips.When R/D signals are " 1 ", transmitter is effective；When R/D signals are " 0 ", connect
It is effective to receive device, synchronization, receiver and transmitter can only have one it is in running order.The pull-up resistor R12 and B of A pins
The pull down resistor R14 of pin is used to ensure to provide network failure protection when connectionless RS485R is in idle condition.Resistance
R12, R13, R14 will change size according to actual conditions.D6, D7, D8 are for protecting RS485R buses.
The utility model is in the specific method that operation field is implemented：
(1) to the actual investigation of distribution operation scene expansion, with reference to region within the jurisdiction distribution station equipment feature and ground wire device class
Type, carries out the demand analysis of state of ground wire positional information acquisition, and the live ground wire anti-misoperation system overall architecture that fulfils assignment is set
Meter.
The integral frame design of the operation field ground wire anti-misoperation system includes following three aspects content：
1) safety Design.On the one hand site grounding wire operating process and safety measure can be effectively controlled to perform, it is another
Aspect is effectively hung using the leakage of RFID and GPRS technical controllings full line, leakage dismounting ground wire.
2) reliability design.On the one hand increased locking controller effectively can prevent conductor galloping from coming off, the opposing party
The improved switch operation mechanism in face ensure that the sufficiently large contact surface of earthing clamp, and more firmly, short circuit current heat endurance obtains
To effective lifting.
3) applicability designs.On the one hand effectively made using GPRS communication technologys control long range power distribution line maintenance ground wire
Use situation.On the other hand background monitoring system effectively is utilized, effectively control and grasp distribution field operation inspection earthing line uses
State.
(2) to RFID label tag corresponding to each ground line distribution in power distribution construction operation field, it is numbered simultaneously.
(3) when operation field is constructed, the ground wire for posting RFID label tag is articulated to dead earth point respectively, when provisionally
When line is articulated on repair apparatus, RF tag is that label is activated therewith into the range of the read-write of RFID read-write equipment, letter
RFID label tag can be identified by RFID read-write equipment by ceasing receiving terminal, and receiving label information, (label information includes：Label is compiled
Number, ground wire location status information and ground wire mounting work state information；) each information receiving terminal is by each dead earth of acquisition
The label information of point, and interior terminal of arriving at a station is transmitted by serial communication control module and GPRS network, then passed through by terminal in station
The monitoring backstage that optical cable is sent to regulation and control center carries out data processing.
(4) monitoring backstage for regulating and controlling center combines the existing power distribution network method of operation figure drafting ground wire mounting location drawing, when
When operation field has ground wire mounting, the position being accordingly grounded and number information are shown at dead earth point on the diagram, system is certainly
The quantity of the dynamic live ground wire of statistics, confirm that ground wire has been hung up properly in this approach, otherwise prove that ground wire is not hung up properly.
RFID technique is applied to ground wire monitoring, the Centralized Monitoring of implementation tool, movement of tool process by the utility model
Positioning, and realize the identification of mounting state to ground wire, the warning information that ground wire is not removed can be provided for maintainer, effectively
Ground prevents the generation of the misoperation faults such as switching on earth wire, to ensureing the safe and stable of power network, is significant.
In operation field, to solve the needs of current power upkeep operation ground wire remote monitoring, using based on GPRS network
Electric power overhaul operation state of ground wire identification equipment, using existing monitoring device in station to upkeep operation scene carry out image adopt
Collection, monitoring and view data are transmitted in a manner of GPRS by functional module, its monitoring is had more intuitive and reliability, simultaneously
Realize following functions：
1) system gives each earth point allocation identification, and benchmark is provided to determine that ground wire mounts position；
2) system can gather ground wire mounting state and mounting position；
3) system can mount ground wire state and mounting location transmission to background monitoring system；
4) system energy graphic software platform ground wire mounting state and mounting position；
5) system can store the information such as ground wire mounting state, mounting position, operating time, there is provided inquiry；
6) system can provide terminal powered operation condition monitoring；
7) system can provide data statistic analysis report, report printing etc..
It is emphasized that embodiment described in the utility model is illustrative, rather than it is limited, therefore this reality
It is every new according to this practicality by those skilled in the art with the new embodiment including being not limited to described in embodiment
The other embodiment that the technical scheme of type is drawn, also belong to the scope of the utility model protection.
Claims (3)
- A kind of 1. distribution operation scene ground wire anti-misoperation system based on Internet of Things, it is characterised in that：Including power module, more Individual RFID radio frequency identification modules, multiple locking link modules, serial communication control module, GPRS communication modules, monitoring backstage and Data processing centre；The input of the RFID radio frequency identification modules is connected with corresponding ground wire, for gathering corresponding connect The label information of ground wire；The output end of the RFID radio frequency identification modules is connected with corresponding locking link module, the locking Link module includes locking controller and information receiving terminal, and the locking controller is arranged on distribution station equipment switch operation machine On structure；Described information receiving terminal is used for the label information for receiving ground wire, and its output end is connected with locking controller, is used for Block signal is sent to locking controller；The information receiving terminal also passes through serial communication control module and GPRS communication module phases Connection, for the label information received to be converted into the letter that GPRS communication modules can identify by serial communication control module Exported after breath to GPRS communication modules；The GPRS communication modules are connected with monitoring backstage, and the monitoring backstage is used for receiving Label information handled and export unlocking order to locking controller；The monitoring backstage is also connected with data processing centre Connect, the data processing centre is used to the data message of port mapping being acted upon；The output end difference of the power module Be connected with RFID radio frequency identification modules, locking link module, serial communication control module and GPRS communication modules and be its confession Electricity.
- 2. a kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things according to claim 1, its feature It is：The RFID radio frequency identification modules are RFID read-write equipment, for gathering the label information of corresponding ground wire.
- 3. a kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things according to claim 1, its feature It is：The GPRS communication modules are connected using wireless mode with monitoring backstage, for by the label information of reception export to Monitoring backstage is handled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720888537.5U CN207067761U (en) | 2017-07-21 | 2017-07-21 | A kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things |
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| CN201720888537.5U CN207067761U (en) | 2017-07-21 | 2017-07-21 | A kind of distribution operation scene ground wire anti-misoperation system based on Internet of Things |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512313A (en) * | 2018-05-17 | 2018-09-07 | 长园共创电力安全技术股份有限公司 | A kind of power distribution network temporary grounding wire management system and control method |
| CN112132242A (en) * | 2020-08-10 | 2020-12-25 | 国网浙江省电力有限公司温州市洞头区供电公司 | 10kV distribution network grounding wire safety management system |
| CN113112647A (en) * | 2021-04-02 | 2021-07-13 | 上海志途设备科技有限公司 | Vehicle segment service area safety system |
-
2017
- 2017-07-21 CN CN201720888537.5U patent/CN207067761U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512313A (en) * | 2018-05-17 | 2018-09-07 | 长园共创电力安全技术股份有限公司 | A kind of power distribution network temporary grounding wire management system and control method |
| CN112132242A (en) * | 2020-08-10 | 2020-12-25 | 国网浙江省电力有限公司温州市洞头区供电公司 | 10kV distribution network grounding wire safety management system |
| CN112132242B (en) * | 2020-08-10 | 2022-12-13 | 国网浙江省电力有限公司温州市洞头区供电公司 | 10kV distribution network grounding wire safety management system |
| CN113112647A (en) * | 2021-04-02 | 2021-07-13 | 上海志途设备科技有限公司 | Vehicle segment service area safety system |
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